13427040 has 96 divisors (see below), whose sum is σ = 46158336. Its totient is φ = 3253760.

The previous prime is 13427039. The next prime is 13427047. The reversal of 13427040 is 4072431.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 13426998 and 13427016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13427047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4009 + ... + 6551.

It is an arithmetic number, because the mean of its divisors is an integer number (480816).

Almost surely, 2^13427040 is an apocalyptic number.

13427040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13427040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23079168).

13427040 is an abundant number, since it is smaller than the sum of its proper divisors (32731296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13427040 is a wasteful number, since it uses less digits than its factorization.

13427040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572 (or 2564 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 13427040 is about 3664.2925647388. The cubic root of 13427040 is about 237.6804316795.

Adding to 13427040 its reverse (4072431), we get a palindrome (17499471).

The spelling of 13427040 in words is "thirteen million, four hundred twenty-seven thousand, forty".